US Bridges

SR1145 over Tar River

Fair

Granville County, North Carolina · 1.0 MI.N.JCT.US158 · Structure no. 000000000770245

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

SR1145 over Tar River is a prestressed concrete stringer/multi-beam or girder carrying SR1145 over Tar River in Granville County, North Carolina. It was built in 1967, so it is 58 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 136 ft (41.4 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR1145
CrossesTar River
Location1.0 MI.N.JCT.US158
RouteState Highway 1145
Coordinates36.35003, -78.78989
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length136 ft (41.4 m)
Longest span43 ft (13.1 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1145 over Tar River built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR1145 over Tar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR1145 over Tar River carry?

About 100 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1145 over Tar River?

The structure is 136 ft (41.4 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns SR1145 over Tar River?

It is owned by the State Highway Agency.